Cuvette



FIG. 1 is a perspective view of a cuvette;

FIG. 2 is a top plan view of the cuvette shown in FIG. 1;

FIG. 3 is a bottom plan view of the cuvette shown in FIG. 1;

FIG. 4 is a front view of the cuvette shown in FIG. 1;

FIG. 5 is a rear view of the cuvette shown in FIG. 1;

FIG. 6 is a left side view of the cuvette shown in FIG. 1; and,

FIG. 7 is a right side view of the cuvette shown in FIG. 1.

The broken lines in the drawings depict portions of the cuvette that form no part of the claimed design. 

CLAIM The ornamental design for a cuvette, as shown and described. 